diff --git a/html/index.erb b/html/index.erb
index 93e0d728..858847ee 100644
--- a/html/index.erb
+++ b/html/index.erb
@@ -28,11 +28,11 @@
       descr, source = $1, $3
     end
 
-    case source
-    when 'github' then source_url = "https://github.com/#{recipe['repo']}"
-    when 'wiki'   then source_url = recipe.key?('files') ? nil : "http://www.emacswiki.org/emacs/#{pkgname}.el"
-    else source_url = nil
-    end
+    source_url =
+      case source
+      when 'github' then "https://github.com/#{recipe['repo']}"
+      when 'wiki'   then recipe.key?('files') ? nil : "http://www.emacswiki.org/emacs/#{pkgname}.el"
+      end
 
     ["<a name=\"#{pkgname}\"></a>[#{pkgname}](#{pkgurl})", version, descr, "[recipe](#{recipe_url})", source_url ? "[#{source}](#{source_url})" : ""]
   end